The observatory's construction exemplifies NARIT's spirit of international collaboration, with parts and instruments sourced from around the globe.
The observatory houses the Thai National Telescope (TNT), a telescope with a 2.4-meter primary mirror, and a Ritchey-Chretien optical layout. The telescope is in an 'Altitude-Azimuth' mounting, with two Nasmyth foci. The telescope was manufactured by Electro-Optical Systems in Tucson, Arizona, USA. The 2.4 meter primary mirror was fabricated and underwent fine polishing at the Lytkarino Optical Glass Factory (LZOS) facility near Moscow.
|Primary Mirror Diameter||2.4 M (+/- 10 mm)|
|Total Focal Langht||24 M|
|System Focal Ratio||f/10|
|Plate Scale||8.6 arcsec/mm|
|Field of View||16 arc min|
|Total wavefront error||< 140 nm rms at 0 Zenith angle|
|Basic Optics||Ritchey-Chr?tien folded dual Nasmyth system|
|Maximum Slewing Speed||4.0 deg/sec|
|Pointing accuracy||Better than 3 arcsec RMS to 70? zenith angle|
|Tracking accuracy (without guiding)||Less than 0.5 arcsec RMS over 10 min|
|Keyhole (Zenith Blind Spot)||0.5 Degrees radius|
2.4 m Telescope Structure
|Secondary Mirror||Mirror Support|
|Corrector Lens||Azimuth Motor|